Home / 190,879.40-286,610.70-146,556.20

Finding the Fourth Proportional to 190,879.40, 286,610.70 and 146,556.20

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Solution

The fourth proportional to 190,879.40, 286,610.70 and 146,556.20 is: 220,058.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,879.40 : 286,610.70 = 146,556.20 : x
  2. Step 2: Convert to fraction form
    190,879.40/286,610.70 = 146,556.20/x
  3. Step 3: Cross multiply
    190,879.40x = 286,610.70 × 146,556.20
  4. Step 4: Simplify right side
    190,879.40x = 42,004,575,071.34
  5. Step 5: Solve for x
    x = 42,004,575,071.34/190,879.40
  6. Step 6: Final answer
    x = 220,058.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.